#!/usr/bin/python
# coding:utf-8
# auther:DT
# 2017-08-08_15-32-47
'''
sanle python
'''
x = 88
y = "cali"
def f1():
    x = 99
#    global y
    def f2():
        print(x,y,__name__,__doc__)
    f2()
f1()
